#include"myadd.h"
#include"mysub.h"

#include<stdio.h>


int main()
{
  int x=100;
  int y=10;

  printf("%d+%d=%d\n",x,y,myadd(x,y));
  printf("%d-%d=%d\n",x,y,mysub(x,y));


  return 0;
}
